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hc
2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/include/linux/usb/typec.h
....@@ -4,11 +4,15 @@
44 #define __LINUX_USB_TYPEC_H
55 
66 #include <linux/types.h>
7
+#include <linux/android_kabi.h>
78 
89 /* USB Type-C Specification releases */
910 #define USB_TYPEC_REV_1_0	0x100 /* 1.0 */
1011 #define USB_TYPEC_REV_1_1	0x110 /* 1.1 */
1112 #define USB_TYPEC_REV_1_2	0x120 /* 1.2 */
13
+#define USB_TYPEC_REV_1_3	0x130 /* 1.3 */
14
+#define USB_TYPEC_REV_1_4	0x140 /* 1.4 */
15
+#define USB_TYPEC_REV_2_0	0x200 /* 2.0 */
1216 
1317 struct typec_partner;
1418 struct typec_cable;
....@@ -71,11 +75,25 @@
7175 };
7276 
7377 /*
78
+ * struct enter_usb_data - Enter_USB Message details
79
+ * @eudo: Enter_USB Data Object
80
+ * @active_link_training: Active Cable Plug Link Training
81
+ *
82
+ * @active_link_training is a flag that should be set with uni-directional SBRX
83
+ * communication, and left 0 with passive cables and with bi-directional SBRX
84
+ * communication.
85
+ */
86
+struct enter_usb_data {
87
+	u32			eudo;
88
+	unsigned char		active_link_training:1;
89
+};
90
+
91
+/*
7492  * struct usb_pd_identity - USB Power Delivery identity data
7593  * @id_header: ID Header VDO
7694  * @cert_stat: Cert Stat VDO
7795  * @product: Product VDO
78
- * @product_type: Product type VDO
96
+ * @vdo: Product Type Specific VDOs
7997  *
8098  * USB power delivery Discover Identity command response data.
8199  *
....@@ -86,7 +104,7 @@
86104 	u32			id_header;
87105 	u32			cert_stat;
88106 	u32			product;
89
-	u32			product_type;
107
+	u32			vdo[3];
90108 };
91109 
92110 int typec_partner_set_identity(struct typec_partner *partner);
....@@ -110,9 +128,12 @@
110128 	enum typec_port_data	roles;
111129 };
112130 
131
+void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision);
132
+int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmodes);
113133 struct typec_altmode
114134 *typec_partner_register_altmode(struct typec_partner *partner,
115135 				const struct typec_altmode_desc *desc);
136
+int typec_plug_set_num_altmodes(struct typec_plug *plug, int num_altmodes);
116137 struct typec_altmode
117138 *typec_plug_register_altmode(struct typec_plug *plug,
118139 			     const struct typec_altmode_desc *desc);
....@@ -120,9 +141,17 @@
120141 *typec_port_register_altmode(struct typec_port *port,
121142 			     const struct typec_altmode_desc *desc);
122143 
144
+#ifdef CONFIG_NO_GKI
123145 void typec_port_register_altmodes(struct typec_port *port,
124146 	const struct typec_altmode_ops *ops, void *drvdata,
125147 	struct typec_altmode **altmodes, size_t n);
148
+#else
149
+static inline void typec_port_register_altmodes(struct typec_port *port,
150
+	const struct typec_altmode_ops *ops, void *drvdata,
151
+	struct typec_altmode **altmodes, size_t n)
152
+{
153
+}
154
+#endif
126155 
127156 void typec_unregister_altmode(struct typec_altmode *altmode);
128157 
....@@ -151,6 +180,7 @@
151180  * @type: The plug type from USB PD Cable VDO
152181  * @active: Is the cable active or passive
153182  * @identity: Result of Discover Identity command
183
+ * @pd_revision: USB Power Delivery Specification revision if supported
154184  *
155185  * Represents USB Type-C Cable attached to USB Type-C port.
156186  */
....@@ -158,6 +188,8 @@
158188 	enum typec_plug_type	type;
159189 	unsigned int		active:1;
160190 	struct usb_pd_identity	*identity;
191
+	u16			pd_revision; /* 0300H = "3.0" */
192
+
161193 };
162194 
163195 /*
....@@ -165,15 +197,46 @@
165197  * @usb_pd: USB Power Delivery support
166198  * @accessory: Audio, Debug or none.
167199  * @identity: Discover Identity command data
200
+ * @pd_revision: USB Power Delivery Specification Revision if supported
168201  *
169202  * Details about a partner that is attached to USB Type-C port. If @identity
170203  * member exists when partner is registered, a directory named "identity" is
171204  * created to sysfs for the partner device.
205
+ *
206
+ * @pd_revision is based on the setting of the "Specification Revision" field
207
+ * in the message header on the initial "Source Capabilities" message received
208
+ * from the partner, or a "Request" message received from the partner, depending
209
+ * on whether our port is a Sink or a Source.
172210  */
173211 struct typec_partner_desc {
174212 	unsigned int		usb_pd:1;
175213 	enum typec_accessory	accessory;
176214 	struct usb_pd_identity	*identity;
215
+	u16			pd_revision; /* 0300H = "3.0" */
216
+};
217
+
218
+/**
219
+ * struct typec_operations - USB Type-C Port Operations
220
+ * @try_role: Set data role preference for DRP port
221
+ * @dr_set: Set Data Role
222
+ * @pr_set: Set Power Role
223
+ * @vconn_set: Source VCONN
224
+ * @port_type_set: Set port type
225
+ */
226
+struct typec_operations {
227
+	int (*try_role)(struct typec_port *port, int role);
228
+	int (*dr_set)(struct typec_port *port, enum typec_data_role role);
229
+	int (*pr_set)(struct typec_port *port, enum typec_role role);
230
+	int (*vconn_set)(struct typec_port *port, enum typec_role role);
231
+	int (*port_type_set)(struct typec_port *port,
232
+			     enum typec_port_type type);
233
+	ANDROID_KABI_RESERVE(1);
234
+};
235
+
236
+enum usb_pd_svdm_ver {
237
+	SVDM_VER_1_0 = 0,
238
+	SVDM_VER_2_0 = 1,
239
+	SVDM_VER_MAX = SVDM_VER_2_0,
177240 };
178241 
179242 /*
....@@ -182,16 +245,12 @@
182245  * @data: Supported data role of the port
183246  * @revision: USB Type-C Specification release. Binary coded decimal
184247  * @pd_revision: USB Power Delivery Specification revision if supported
248
+ * @svdm_version: USB PD Structured VDM version if supported
185249  * @prefer_role: Initial role preference (DRP ports).
186250  * @accessory: Supported Accessory Modes
187
- * @sw: Cable plug orientation switch
188
- * @mux: Multiplexer switch for Alternate/Accessory Modes
189251  * @fwnode: Optional fwnode of the port
190
- * @try_role: Set data role preference for DRP port
191
- * @dr_set: Set Data Role
192
- * @pr_set: Set Power Role
193
- * @vconn_set: Set VCONN Role
194
- * @port_type_set: Set port type
252
+ * @driver_data: Private pointer for driver specific info
253
+ * @ops: Port operations vector
195254  *
196255  * Static capabilities of a single USB Type-C port.
197256  */
....@@ -200,24 +259,16 @@
200259 	enum typec_port_data	data;
201260 	u16			revision; /* 0120H = "1.2" */
202261 	u16			pd_revision; /* 0300H = "3.0" */
262
+	enum usb_pd_svdm_ver	svdm_version;
203263 	int			prefer_role;
204264 	enum typec_accessory	accessory[TYPEC_MAX_ACCESSORY];
265
+	unsigned int		orientation_aware:1;
205266 
206
-	struct typec_switch	*sw;
207
-	struct typec_mux	*mux;
208267 	struct fwnode_handle	*fwnode;
268
+	void			*driver_data;
209269 
210
-	int		(*try_role)(const struct typec_capability *,
211
-				    int role);
212
-
213
-	int		(*dr_set)(const struct typec_capability *,
214
-				  enum typec_data_role);
215
-	int		(*pr_set)(const struct typec_capability *,
216
-				  enum typec_role);
217
-	int		(*vconn_set)(const struct typec_capability *,
218
-				     enum typec_role);
219
-	int		(*port_type_set)(const struct typec_capability *,
220
-					 enum typec_port_type);
270
+	const struct typec_operations	*ops;
271
+	ANDROID_KABI_RESERVE(1);
221272 };
222273 
223274 /* Specific to try_role(). Indicates the user want's to clear the preference. */
....@@ -235,6 +286,10 @@
235286 					 struct typec_cable_desc *desc);
236287 void typec_unregister_cable(struct typec_cable *cable);
237288 
289
+struct typec_cable *typec_cable_get(struct typec_port *port);
290
+void typec_cable_put(struct typec_cable *cable);
291
+int typec_cable_is_active(struct typec_cable *cable);
292
+
238293 struct typec_plug *typec_register_plug(struct typec_cable *cable,
239294 				       struct typec_plug_desc *desc);
240295 void typec_unregister_plug(struct typec_plug *plug);
....@@ -249,7 +304,15 @@
249304 enum typec_orientation typec_get_orientation(struct typec_port *port);
250305 int typec_set_mode(struct typec_port *port, int mode);
251306 
307
+void *typec_get_drvdata(struct typec_port *port);
308
+
309
+int typec_find_pwr_opmode(const char *name);
310
+int typec_find_orientation(const char *name);
252311 int typec_find_port_power_role(const char *name);
253312 int typec_find_power_role(const char *name);
254313 int typec_find_port_data_role(const char *name);
314
+
315
+void typec_partner_set_svdm_version(struct typec_partner *partner,
316
+				    enum usb_pd_svdm_ver svdm_version);
317
+int typec_get_negotiated_svdm_version(struct typec_port *port);
255318 #endif /* __LINUX_USB_TYPEC_H */